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5 votes
A junior basketball has a diameter of approximately 7 in., and a regulation basketball has a diameter of approximately 9.5 in. about how many times as great is the volume of the regulation basketball as the volume of the junior basketball?

asked
User Shaohao
by
8.3k points

1 Answer

5 votes
scale factor = 9.5 / 7
the ratio of the volumes will be 9.5^3 / 7^3

= 2.5 to nearest thousandth

So the volume the regulation ball is 2.5 times the volume of the junior one.
answered
User Suly
by
7.9k points

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